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SCI220 Wk6-12

Study Set 2

QuestionAnswer
A muscle with fascicles that insert into only one side of the tendon is categorized as: Parallel Bipennate Unipennate Circular Unipennate
The afferent pathways of the autonomic nervous system: Stimulate the fight-or-flight response Maintain normal resting activity Both Both
Neurons in the CNS have less chance of regenerating for all of the following reasons except: There is no neurolemma in cells of the CNS Microglia lay down scar tissue Both Microglia lay down scar tissue
Which is true of a reflex arc? It does not involve the brain It always consists of the afferent and an efferent neuron it always consists of an afferent neuron, efferent neuron, the brain, and the spinal cord It always consists of an afferent and an efferent neuron
In the human nervous system: most of the cells are neurons most of the cells are glia cells there are almost equal numbers of glia cells and neurons there are almost equal numbers of glia cells and neurons
Interneurons reside in the: CNS and peripheral nervous system (PNS) CNS only PNS only None are correct CNS only
Which of the following is not true? The spinal cord does not completely fill the spinal cavity One bundle of nerves projects from each side of the spinal cord The spinal cord has anterior and posterior grooves that almost divide the cord into halves One bundle of nerves fibers projects from each side of the spinal cord
The vagus is said to act as a "brake" on the heart. this situation is called: Cardiac inhibition Coronary inhibition Vagal inhibition Autonomic inhibition Vagal inhibition
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: Hemoglobin Osteons Erythroblasts Hematopoietic stem cells hematopoietic system cells
Interferon inhibits the spread of: Viruses Bacteria B-cell antibodies that attack cancer Both A&B Both A&B
About half of the lymph flowing through the thoracic duct comes from the: Liver Small intestine Spleen Both A&B Both A&B
Created by: brittanyq7406
 

 



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